by gum!

US /baɪ ɡʌm/
UK /baɪ ɡʌm/
"by gum!" picture
1.

parbleu, sacrebleu

an exclamation of surprise or emphasis

:
By gum, that's a big fish!
Parbleu, c'est un gros poisson !
Well, by gum, I never thought I'd see the day!
Eh bien, parbleu, je n'aurais jamais cru voir ce jour !